2780490697929

素因数分解:

$3^2\times 7^2\times {\mathrm{7547}}^1\times {\mathrm{835427}}^1$

素因数の和:842994

約数の個数: 36

約数和(自身を含む): 4672605613104

約数和(自身を除く): 1892114915175

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 7547, 22641, 52829, 67923, 158487, 369803, 475461, 835427, 1109409, 2506281, 3328227, 5847989, 7518843, 17543967, 40935923, 52631901, 122807769, 368423307, 6304967569, 18914902707, 44134772983, 56744708121, 132404318949, 308943410881, 397212956847, 926830232643, 2780490697929]

約数ペア:

[(1, 2780490697929), (3, 926830232643), (7, 397212956847), (9, 308943410881), (21, 132404318949), (49, 56744708121), (63, 44134772983), (147, 18914902707), (441, 6304967569), (7547, 368423307), (22641, 122807769), (52829, 52631901), (67923, 40935923), (158487, 17543967), (369803, 7518843), (475461, 5847989), (835427, 3328227), (1109409, 2506281)]